STR-SeriesHollow Output Rotary Actuators
Improving the Speed of Industry...
High output torque, high rigidity, highmoment loads
Zero backlash, with precision as tight as 20 arc-sec
Compatible with nearly any servo motor
Multiple ratios to match application requirementsMNEWNEW
New STR-Series
STR Specifications
STR Series
STR
Model
40
63
80
100
125
i
poT euqrot tuptuo detar cimanyDoitar raeG (N・m)
Average output rotation speed n mean(rpm)
15
20
20
20
20
57.6
10
129.2
202.4
560.3
938.8
51.1
15
114.6
179.1
496.3
831.1
46.8
20
105.1
164.4
455.3
762.5
43.8
25
98.2
153.6
425.7
713.1
41.4
30
93.0
145.4
403.1
675.1
39.7
35
88.9
139.0
384.9
644.7
38.0
40
85.2
133.6
369.8
619.3
36.7
45
82.4
128.8
356.9
597.9
35.6
50
79.8
124.9
345.9
579.3
STR
Model
40
63
80
100
125
i
Gear ratio
15
20
20
20
20
Upper limit torque at start/stop
Tu
N・m
65.1
159.2
249.0
690.0
1155.6
Permissible average input rotation speed
Nm max
rpm
1500
1500
1500
1500
1500
Permissible maximum input rotation speed
Nu max
rpm
3000
3000
3000
3000
3000
Input conversion moment of inertia
J
kg・m2× 10‐ 4
0.231
0.862
3.066
8.687
14.853
sec. Max.
± 45
± 30
± 20
± 20
± 20
μ m Max.
10
10
10
10
10
WeightSurface runoutAngular
transmissionaccuracy
kg
2.5
5.6
11.6
21.5
36.3
STR
Model
40
63
80
100
125
i
Gear ratioPermissible
axial load [N]
Pa max
15
20
20
20
20
999
1657
3302
3724
8178
Permissibleradial load [N]
Pr max
669
1359
2819
3109
7452
Permissiblemoment load [N・m]
Mmean max
33
79
210
284
764
Offset amount[mm]
S
48
56
72.5
91.5
102.5
These are the permissible values when the axial, radial and moment loads are acting simultaneously.
* Please note that the 160 and 250 frames are of different design and materials of construction. Contact Nidec-Shimpo for dimensional data and drawings for these frame sizes.
* Please note that the 160 and 250 frames are of different design and materials of construction. Contact Nidec-Shimpo for dimensional data and drawings for these frame sizes.
This becomes Top* Please note that the 160 and 250 frames are of different design and materials of construction. Contact Nidec-Shimpo for dimensional data and drawings for these frame sizes.
× 0.8 with grease lubrication.
160 20 17170 7283 1216.3
250 20 2478.6 --
--
1116538051
*160 20 1888.0 1000 3000 46.988 ± 60 20 126
7.17060205*2 140.03400030001 ± 60 20 383
*160 20
*250 20
1533.5 1357.8 1245.6 1164.9 1103.0 1053.2 1011.7 976.6 946.1
4931.8 4366.9 4005.7 3746.4 3547.0 3386.7 3253.8 3140.7 3043.0
Permissible output shaft load
STR Actuator With Additional Gear Reduction
Inline Reducer Right Angle Reducer